7.8 boot-from-iso Command

Use the --boot-from-iso command to configure a guest to boot from a specified diagnostic ISO file.

Syntax

vm_maker --boot-from-iso ISO-file --domain guest-name

Options

  • ISO-file: The name of the diagnostic ISO that you want to use to boot the specified guest.
  • guest-name: The name of the guest that you want to boot using the specified ISO file.

Usage Notes

The --boot-from-iso command configures the guest to boot using the specified ISO file.

The output from the --boot-from-iso command includes additional commands to boot the guest and configure the network while in diagnostic mode.

The output also contains commands to stop the domain and reconfigure it to boot using its primary boot device. Use these commands when you are finished using the guest in diagnostic mode.

For example:

# vm_maker --boot-from-iso /root/home/diagnostics.iso --domain dm01vm01
[INFO] Running 'virsh undefine dm01vm01.example.com'...
[INFO] Running 'virsh define /var/log/exadatatmp/dm01vm01.example.com.xml.new.357b'...
[INFO] The domain 'dm01vm01.example.com' is ready for booting.
[INFO] Run the following command to boot from the diagnostic iso:
[INFO] 
[INFO] virsh start dm01vm01.example.com --console
[INFO] 
[INFO] If network is needed to be setup on the VM, run 
[INFO] setup_management.sh from the console after the guest has booted.
[INFO] 
[INFO] When finished, run the following commands to restore
[INFO] the domain to boot from its hard disk:
[INFO] 
[INFO] vm_maker --stop-domain dm01vm01.example.com --force
[INFO] vm_maker --boot-from-hd --domain dm01vm01.example.com